WO2002045971A1 - Ink-jet printing process - Google Patents
Ink-jet printing process Download PDFInfo
- Publication number
- WO2002045971A1 WO2002045971A1 PCT/GB2001/005393 GB0105393W WO0245971A1 WO 2002045971 A1 WO2002045971 A1 WO 2002045971A1 GB 0105393 W GB0105393 W GB 0105393W WO 0245971 A1 WO0245971 A1 WO 0245971A1
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- WIPO (PCT)
- Prior art keywords
- ink
- water
- composition
- jet printer
- substrate
- Prior art date
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- 0 *c1cc(C(O)=O)cc(C(O)=O)c1 Chemical compound *c1cc(C(O)=O)cc(C(O)=O)c1 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M5/00—Duplicating or marking methods; Sheet materials for use therein
- B41M5/50—Recording sheets characterised by the coating used to improve ink, dye or pigment receptivity, e.g. for ink-jet or thermal dye transfer recording
- B41M5/52—Macromolecular coatings
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J11/00—Devices or arrangements of selective printing mechanisms, e.g. ink-jet printers or thermal printers, for supporting or handling copy material in sheet or web form
- B41J11/0015—Devices or arrangements of selective printing mechanisms, e.g. ink-jet printers or thermal printers, for supporting or handling copy material in sheet or web form for treating before, during or after printing or for uniform coating or laminating the copy material before or after printing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M5/00—Duplicating or marking methods; Sheet materials for use therein
- B41M5/0011—Pre-treatment or treatment during printing of the recording material, e.g. heating, irradiating
- B41M5/0017—Application of ink-fixing material, e.g. mordant, precipitating agent, on the substrate prior to printing, e.g. by ink-jet printing, coating or spraying
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M7/00—After-treatment of prints, e.g. heating, irradiating, setting of the ink, protection of the printed stock
- B41M7/0018—After-treatment of prints, e.g. heating, irradiating, setting of the ink, protection of the printed stock using ink-fixing material, e.g. mordant, precipitating agent, after printing, e.g. by ink-jet printing, coating or spraying
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/16—Nitrogen-containing compounds
- C08K5/29—Compounds containing one or more carbon-to-nitrogen double bonds
- C08K5/31—Guanidine; Derivatives thereof
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D179/00—Coating compositions based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing nitrogen, with or without oxygen, or carbon only, not provided for in groups C09D161/00 - C09D177/00
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P1/00—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
- D06P1/44—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders
- D06P1/52—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders using compositions containing synthetic macromolecular substances
- D06P1/5264—Macromolecular compounds obtained otherwise than by reactions involving only unsaturated carbon-to-carbon bonds
- D06P1/5285—Polyurethanes; Polyurea; Polyguanides
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P1/00—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
- D06P1/44—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders
- D06P1/64—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders using compositions containing low-molecular-weight organic compounds without sulfate or sulfonate groups
- D06P1/642—Compounds containing nitrogen
- D06P1/649—Compounds containing carbonamide, thiocarbonamide or guanyl groups
- D06P1/6494—Compounds containing a guanyl group R-C-N=, e.g. (bi)guanadine, dicyandiamid amidines
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P5/00—Other features in dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form
- D06P5/30—Ink jet printing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M5/00—Duplicating or marking methods; Sheet materials for use therein
- B41M5/0041—Digital printing on surfaces other than ordinary paper
- B41M5/0047—Digital printing on surfaces other than ordinary paper by ink-jet printing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M5/00—Duplicating or marking methods; Sheet materials for use therein
- B41M5/0041—Digital printing on surfaces other than ordinary paper
- B41M5/0058—Digital printing on surfaces other than ordinary paper on metals and oxidised metal surfaces
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M5/00—Duplicating or marking methods; Sheet materials for use therein
- B41M5/0041—Digital printing on surfaces other than ordinary paper
- B41M5/0064—Digital printing on surfaces other than ordinary paper on plastics, horn, rubber, or other organic polymers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M5/00—Duplicating or marking methods; Sheet materials for use therein
- B41M5/0041—Digital printing on surfaces other than ordinary paper
- B41M5/007—Digital printing on surfaces other than ordinary paper on glass, ceramic, tiles, concrete, stones, etc.
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M5/00—Duplicating or marking methods; Sheet materials for use therein
- B41M5/50—Recording sheets characterised by the coating used to improve ink, dye or pigment receptivity, e.g. for ink-jet or thermal dye transfer recording
- B41M5/502—Recording sheets characterised by the coating used to improve ink, dye or pigment receptivity, e.g. for ink-jet or thermal dye transfer recording characterised by structural details, e.g. multilayer materials
- B41M5/508—Supports
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M5/00—Duplicating or marking methods; Sheet materials for use therein
- B41M5/50—Recording sheets characterised by the coating used to improve ink, dye or pigment receptivity, e.g. for ink-jet or thermal dye transfer recording
- B41M5/52—Macromolecular coatings
- B41M5/5218—Macromolecular coatings characterised by inorganic additives, e.g. pigments, clays
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M5/00—Duplicating or marking methods; Sheet materials for use therein
- B41M5/50—Recording sheets characterised by the coating used to improve ink, dye or pigment receptivity, e.g. for ink-jet or thermal dye transfer recording
- B41M5/52—Macromolecular coatings
- B41M5/5236—Macromolecular coatings characterised by the use of natural gums, of proteins, e.g. gelatins, or of macromolecular carbohydrates, e.g. cellulose
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M5/00—Duplicating or marking methods; Sheet materials for use therein
- B41M5/50—Recording sheets characterised by the coating used to improve ink, dye or pigment receptivity, e.g. for ink-jet or thermal dye transfer recording
- B41M5/52—Macromolecular coatings
- B41M5/5245—Macromolecular coatings characterised by the use of polymers containing cationic or anionic groups, e.g. mordants
Definitions
- the present invention relates to ink-jet printing processes, to fixing compositions, to sets of liquids and to ink-jet printer cartridges.
- Ink jet printing is a non-impact printing technique in which droplets of ink are ejected through a fine nozzle onto a substrate without bringing the nozzle into contact with the substrate.
- the images prepared by UP desirably meet many demanding requirements. For example, they should be sharp and non-feathered and should also exhibit high water-fastness, light-fastness, humidity-fastness and optical density. Furthermore the recording sheets printed with the images are preferred to dry quickly so that sheets printed shortly afterwards do not smudge the image.
- Compositions used in UP should have good jettability (i.e. low tendancy to block the fine nozzles used in ink-jet printers).
- European Patent Application EP0291214 A2 describes an information device in the form of a substrate which carries concealed information which becomes detectable by suitably treating the substrate, e.g. by washing.
- PHMB polyhexamethylene biguanide
- compositions comprising polymono guanides in ink-jet printing processes is described in International Patent Application WO00/58107.
- compositions comprising PMG were applied to the entire substrate (i.e. not in a localised manner) by various coating, spraying or ink-jet printing methods.
- an ink-jet printing process comprising the steps (a) and (b) in any order or simultaneously: (a) applying an ink to a substrate by means of an ink-jet printer in a localised manner to form an image on the substrate; and (b) applying to the substrate a composition comprising a liquid medium and a poly(C 3 - 18 -hydrocarbyl monoguanidine) or a salt thereof by means of an ink-jet printer.
- step (b) By applying the composition of step (b) by means of an ink-jet printer one may use ordinary media (e.g. plain paper) as the substrate, avoiding the need for expensive special substrates. Furthermore, application of the composition by means of the ink-jet printer can avoid the waste of poly(C 3 . 16 -hydrocarbyl monoguanidine) because the compound can be selectively applied to the localised areas referred to in step (a).
- a still further advantage arising from the ability to selectively apply the poly(C 3 . 18 -hydrocarbyl monoguanidine) in a localised manner is that undesirable stains such as dirt, tea, coffee are not attracted to or fixed onto unprinted areas.
- step (b) therefore it is preferred that the composition is applied to the substrate in a localised manner and the areas where the ink and composition are applied in steps
- (a) and (b) are substantially coextensive.
- the areas printed with the ink and the areas printed with the composition overlap by at least 80%, more preferably at least
- the PMG preferably comprises a plurality of groups of Formula (1) and/or groups of Formula (2) or salts thereof:
- each m independently is 0 or 1 ; each Y independently is a C 2 - 18 -hydrocarbyl group; A and B are hydrocarbyl groups which together comprise a total of 3 to 18 carbon atoms; and each R independently is hydrogen, optionally substituted alkyl or optionally substituted alkoxy.
- m is 0.
- the hydrocarbyl groups in the PMG and represented by Y, A and B are optionally interrupted by one or more hetero atoms or groups and optionally carry one or more substituents other than hydrogen.
- Preferred interrupting atoms and groups are -O-, -S-, -
- Preferred optional substituents are hydroxy; C ⁇ -alkoxy; halo, especially chloro or bromo; nitro; amino; substituted amino; and acid groups, especially carboxy, sulpho phosphato, guanidino and substituted guanidino.
- hydrocarbyl group represented by Y is an alkylene group it is preferably straight chain or branched chain.
- one of A or B is -CH 2 - or -(CH 2 ) 2 - and the other is -(CH 2 ) 2 -, more especially both A and B are -(CH 2 ) 2 -
- Examples of preferred -hydrocarbyl groups represented by Y include -CH 2 C 6 H 4 CH 2 -, -CH 2 OC 6 H 4 OCH 2 -, -CH 2 OC 6 H 10 OCH 2 -, -(CH 2 ) 3 O(CH 2 ) 3 - and -(CH 2 ) 2 S(CH 2 ) 2 -.
- Examples of particularly preferred -hydrocarbyl groups represented by Y include - (CH 2 ) ⁇ -. -(CH 2 ) 8 - f -(CH 2 ) ⁇ -, -(CH 2 ) 12 -, -CH 2 CH(-CH 3 )(CH 2 ) 4 CH 3 , 1 ,4-, 2,3- and 1 ,3-butylene, 2,5-hexylene, 2J-heptylene, 3-methyl-1 ,6-hexylene.
- all groups represented by Y are the same and are C 4 . 16 -alkylene, more preferably C 4 - 12 -alkylene, especially C 4 . 8 -alkylene more especially 1 , 6- hexylene.
- each R independently is H, C ⁇ -alkyl, C ⁇ -alkoxy or C ⁇ -alkoxy-OH, more preferably H or methyl, especially H.
- the PMG consists essentially of groups of Formula (1) as hereinbefore defined.
- all groups represented by R are the same.
- R More preferably all groups represented by R are H.
- terminating groups on the PMG are amino and guanidinino.
- poly(C 3 . 12 -hydrocarbyl monoguanidine) preferably comprises one or more groups of Formula (3) or salts thereof:
- n is 2 to 100, preferably 2 to 50, especially 3 to 25.
- the PMG is in the form of a salt.
- Preferred salts are those with organic or inorganic acids, especially water-soluble salts, for example the gluconate, acetate or phosphate salt.
- the PMGs may be prepared by the reaction of guanidine hydrochloride with a diamine, for example of the formula H 2 N-Y-NH 2 or HN(-A-) (-B-)NH, or with a mixture of such diamines, wherein Y, A and B are as hereinbefore defined.
- the PMG may also contain repeating units other than repeat units of Formula (1 ) and (2).
- the number of biguanide groups is less than 70%, more preferably less than 60%, and in one embodiment less than 10%, in each case relative to the total number of biguanide and monoguanidine groups in the PMG.
- the PMG consists essentially of or consists of repeat units of
- the PMG is preferably colourless or substantially colourless.
- the composition used in step (b) preferably further comprises a binder.
- the binder is preferably a polymeric or polymerisable binder, more preferably a water-soluble or water-dissipatable polymeric or polymerisable binder or a hydrophobic binder.
- Preferred water-soluble polymeric and polymerisable binders include starches, preferably hydroxy alkyl starches, for example hydroxyethylstarch; celluloses, for example celluslose, methylcellulose, hydroxyethylcellulose, hydroxypropylcellulose, hydroxyethyl methyl cellulose, carboxymethlycellulose (and salts thereof) and cellulose acetate; butyrate; gelatin; gums, for example guar, xanthan gum and gum arabic; polyvinylalcohol; polyvinylphosphate; polyvinylpyrrolidone; polyvinylpyrrolidine; polyethylene glycol; hydrolysed polyvinylacetate; polyethylene imine; polyacrylamides, for example polyacrylamide and poly(N,N-dimethyl acrylamide) and polyacrylamido-2-methyl propane sulphonic acid); acrylamide-acrylic acid copolymers; polyvinylpyridine; polyvinylphosphate; vinylpyrrolidone-vinyl
- the water-soluble binders are preferred over water-dissipatable binders due to their fast dry times and lower tendency to block the fine jets used in ink-jet printers.
- a combination of water-soluble binders and water-dissipatable binders can also be beneficial in terms of improved mechanical strength, reduced tendency for sheets to stick together and good ink absorbency.
- Preferred water-dissipatable polymeric or polymerisable binders are: latex polymers, for example cationic, non-ionic and anionic styrene-butadiene latexes; vinyl acetate-acrylic copolymer latexes; acrylic copolymer latexes which carry quaternary ammonium groups, for example containing copolymerised dimethylaminoethyl (meth)acrylate; and dispersions of polyester, polyurethane, (meth)acrylate or vinyl polymers and copolymers thereof.
- latex polymers for example cationic, non-ionic and anionic styrene-butadiene latexes
- vinyl acetate-acrylic copolymer latexes vinyl acetate-acrylic copolymer latexes
- acrylic copolymer latexes which carry quaternary ammonium groups, for example containing copolymerised dimethylaminoethyl (me
- the polymer dispersions are preferably prepared by emulsion polymerisation or by dispersion into water of polymers prepared by suspension, bulk or solution polymerisation.
- the binder may comprise a single binder or a mixture of two or more binders, especially the preferred binders mentioned above.
- the binder comprises methylcellulose (to give good mechanical properties), polyvinylpyrrolidone, polyvinylalcohol, polyacrylic acid (to give good ink absorbency) or a combination thereof to give the combined benefits mentioned above.
- the weight ratio of the binder to the PMG is preferably from 99:1 to 1:99, more preferably from 60:40 to 15:85, especially from 50:50 to 20:80 and more especially from 30:70 to 20:80.
- the composition used in step (b) may also contain further ingredients if desired, for example catalysts (e.g. to accelerate cross-linking of the binder), polymeric fillers (e.g. polymethylmethacrylate particles of 10 to 50 ⁇ m diameter), anti-kogation additives, cross- linkers, primers, drying-time accelerants, adhesion promoters, defoamers, surfactants, cationic or anionic salts (e.g.
- an inorganic acid or organic acid salt of an optionally substituted polyethyleneimine whiteners and/or inorganic minerals (e.g. to entrap ink, such as silicates and aluminates) and combinations thereof, to name but a few.
- the composition may also contain a cross-linker, preferably in an amount which causes from 0.1 to 5%, more preferably 0.15 to 4%, especially 0.2 to 2% crosslinking of the crosslinkable components of the composition. These levels of crosslinking are preferred because they can result in enhanced mechanical strength without adversely affecting ink absorbing properties.
- Suitable crosslinkers include salts of divalent and trivalent metals (e.g. calcium and magnesium acetate). These metals also offer the advantage of improving water-fastness of resultant prints.
- the PMG and binder are preferably dispersed or more preferably dissolved in the liquid medium.
- the liquid medium is preferably selected from water; organic solvent; and a mixture of water and one or more water-soluble organic solvent(s).
- step (b) of the process is performed before step (a) or simultaneously with step (a).
- the composition is preferably applied to the substrate in step (b) such that the concentration of PMG on the substrate is up to 20 g.m “2 , more preferably up to 5 g.m “2 , especially from 0.1 to 2 g.m “2 , and more especially from 0.5 to 1 g.m “2 .
- the ink-jet printer used in step (b) is preferably the same as that used to apply the ink to the substrate in step (a).
- the composition of step (b) is preferably applied to the substrate just prior to, or simultaneously with, application of the ink in step (a).
- the ink-jet printer used to apply the ink and composition of step (b) has a nozzle or a series of nozzles in the printer which are dedicated to the application of the composition of step (b).
- the printer may be of the 'five pen' type in which yellow, magenta, cyan and black are applied by four pens and the composition is applied by a fifth pen.
- a suitable ink-jet printer and a method for its control is described in EP 657 849.
- a preferred composition suitable for application to the substrate in step (b) by means of an ink-jet printer comprises:
- composition forms a further feature of the present invention.
- Preferred water-soluble organic solvents are selected from the list below in relation to liquid media for inks.
- the composition preferably has a viscosity of less than 20cP at 25°C.
- composition is transparent or colourless when dry.
- the ink used in step (a) of the process preferably comprises a liquid medium and a colorant.
- Preferred liquid media include water, a mixture of water and an organic solvent and an organic solvent free from water.
- the weight ratio of water to organic solvent is preferably from 99:1 to 1:99, more preferably from 99:1 to 50:50 and especially from 95:5 to 80:20.
- the organic solvent present in the mixture of water and organic solvent is a water-soluble organic solvent or a mixture of such solvents.
- Preferred water- soluble organic solvents include C ⁇ -alkanols, preferably methanol, ethanol, n-propanol, isopropanol, n-butanol, sec-butanol, tert-butanol, n-pentanol, cyclopentanol and cyclohexanol; linear amides, preferably dimethylformamide or dimethylacetamide; ketones and ketone-alcohols, preferably acetone, methyl ether ketone, cyclohexanone and diacetone alcohol; water-soluble ethers, preferably tetrahydrofuran and dioxane; diols, preferably diols having from 2 to 12 carbon atoms, for example pentane-1 ,5-diol, ethylene glycol, propylene glycol,
- Especially preferred water-soluble organic solvents are cyclic amides, especially 2- pyrrolidone, N-methyl-pyrrolidone and N-ethyl-pyrrolidone; diols, especially 1 ,5-pentane diol, ethyleneglycol, thiodiglycol, diethyleneglycol and triethyleneglycol; and mono- C ⁇ -alkyl and C ⁇ -alkyl ethers of diols, more preferably mono- C ⁇ -alkyl ethers of diols having 2 to 12 carbon atoms, especially 2-methoxy-2-ethoxy-2-ethoxyethanol.
- ink media comprising a mixture of water and one or more organic solvents are described in US 4,963,189, US 4,703,113, US 4,626,284 and EP 4,251 ,50A.
- the solvent When the liquid medium comprises an organic solvent free from water, (i.e. less than 1 % water by weight) the solvent preferably has a boiling point of from 30° to 200°C, more preferably of from 40° to 150°C, especially from 50° to 125°C.
- the organic solvent may be water-immiscible, water-soluble or a mixture of such solvents.
- Preferred water- soluble organic solvents are any of the hereinbefore described water-soluble organic solvents and mixtures thereof.
- Preferred water-immiscible solvents include, for example, aliphatic hydrocarbons; esters, preferably ethyl acetate; chlorinated hydrocarbons, preferably CH 2 CI 2 ; and ethers, preferably diethyl ether; and mixtures thereof.
- the liquid medium comprises a water-immiscible organic solvent
- a polar solvent is included because this enhances solubility of the dye in the liquid medium.
- polar solvents include C ⁇ -alcohols.
- the liquid medium is an organic solvent free from water it comprises a ketone (especially methyl ethyl ketone) and/or an alcohol (especially a C ⁇ -alkanol, more especially ethanol or propanol).
- the organic solvent free from water may be a single organic solvent or a mixture of two or more organic solvents. It is preferred that when the medium is an organic solvent free from water it is a mixture of 2 to 5 different organic solvents.
- Liquid media comprising an organic solvent free from water are particularly useful where fast drying times are required and particularly when printing onto hydrophobic and non-absorbent substrates, for example plastics, metal and glass.
- colorant suitable for ink-jet printing may be used in the ink.
- Preferred colorants are pigments which may be organic (including carbon black) or inorganic, disperse dyes and water-soluble dyes, more preferably water-soluble azo dyes.
- the colorant preferably has one or more groups for imparting or assisting water- solubility/dispersibility.
- groups include -COOH, -SO 3 H, -PO 3 H 2 , morpholinyl and piperazinyl and salts thereof.
- the ink preferably also contains a suitable dispersant to give a stable dispersion of the pigment in the ink.
- a suitable dispersant to give a stable dispersion of the pigment in the ink.
- the particle size of the pigment used in the ink is less than 1 ⁇ m.
- the ink may contain a single colorant or comprise a mixture of two or more colorants.
- the colorant is preferably present in the ink at a concentration of 0.5 to 20 parts, more preferably from 1 to 15 parts and especially from 1 to 5 parts by weight based upon the weight of the ink.
- the ink may also contain additional components conventionally used in ink-jet printing inks, for example viscosity and surface tension modifiers, corrosion inhibitors, additives to prevent paper curl, biocides, kogation reducing additives, dispersants and surfactants which may be ionic or non-ionic.
- additional components conventionally used in ink-jet printing inks, for example viscosity and surface tension modifiers, corrosion inhibitors, additives to prevent paper curl, biocides, kogation reducing additives, dispersants and surfactants which may be ionic or non-ionic.
- the colorant has at least two groups selected from -COOH, -PO 3 H 2 , morpholinyl and piperazinyl or salts thereof. More preferably the colorant has at least two groups selected from -COOH and -PO 3 H 2 or salts thereof It is especially preferred that the colorant is a water-soluble dye which has at least two groups selected from -COOH, -PO 3 H 2 morpholinyl and piperazinyl, or salts thereof.
- Preferred examples of such dyes include the dyes of the Formulae (4) to (9) and salts thereof, especially sodium, lithium and ammonium salts:
- X 1 is morpholinyl, piperazinyl or -NHR 1 ;
- R 3 is -OH, -Cl, or C ⁇ -alkoxy; and each q is 2.
- the compounds of Formula (4) may be prepared using methods analogous to those described in the art for similar disazo compounds. For example, as described in Examples 1 and 2 of EP 356 080.
- the dyes of Formula (5) may be prepared using an analogous process to that described in Examples 10 and 15 of EP 468 647A.
- the dye of Formula (6) may be prepared using a method analogous to Example 1 of EP 468 648, wherein in place of phenylenediamine there is used 2,5-dimethyl-1 ,4- phenylene diamine.
- the dyes of Formula (7) may be prepared using a method analogous to that described in Example 3 of EP 679 173 B1.
- the dyes of Formula (8) may be prepared using a method analogous to that described in Example 3 of EP 559 309 A2.
- the dyes of Formula (9) may be prepared using conventional techniques, for example, using the method described on pages 17 and 18 and Example 1 of EP 0 628 088.
- Preferred pigments which have at least two groups selected from -COOH, -PO 3 H 2 morpholinyl and piperazinyl, or salts thereof include derivatives of pigments from the azo, disazo, condensed azo, thioindigo, indanthrone, isoindanthrone, anthanthrone, anthraquinone. isodibenzanthrone, triphendioxazine, quinacridone and phthalocyanine series of pigments.
- Preferred carbon black pigments in this first preferred embodiment comprise carbon black particles onto which are attached organic groups which carry one or more groups selected from -COOH, -PO 3 H 2 morpholinyl and piperazinyl, or salts thereof.
- step (a) of the present process the resulting prints exhibit a reduction in colour-to-colour bleed and a high light-fastness compared to prints prepared without the PMG used in of step (b).
- a particularly preferred ink comprises:
- the ink contains less than 500ppm, more preferably less than 250ppm, especially less than 100pm, more especially less than 10ppm in total of divalent and trivalent metal ions (other than any divalent and trivalent metal ions bound to a component of the ink).
- the content of halide ions in the ink is preferably below 500ppm fppm' means parts per million by weight relative to the total weight of ink).
- the ink has been filtered through a filter having a mean pore size below 10 ⁇ m, more preferably below 3 ⁇ m, especially below 2 ⁇ m, more especially below 1 ⁇ m.
- This filtration removes particulate matter that could otherwise block the fine nozzles found in many ink-jet printers.
- steps (a) and (b) being substantially coextensive are because if the ink is applied to a significantly larger area than the fixer then some of the print will not benefit from improved fixation, leading to smearing and lower wet-fastness. On the other hand, if the fixer is applied to a significantly larger area than the ink (e.g. to the entire substrate) this is wasteful because the fixer is not needed in some of the areas to which it has been applied and it can lead to unwanted fixation of dirt from a users hand and spilled beverages such as tea and coffee, resulting in excessive staining of printed substrates.
- the ink-jet printer preferably applies the ink and composition comprising the PMG to the substrate in the form of droplets that are ejected through a small orifice onto the substrate.
- Preferred ink-jet printers are piezoelectric ink-jet printers and thermal ink-jet printers.
- thermal ink-jet printers programmed pulses of heat are applied to the ink in a reservoir by means of a resistor adjacent to the orifice, thereby causing the ink to be ejected from the orifice in the form of small droplets directed towards the substrate during relative movement between the substrate and the orifice.
- piezoelectric ink-jet printers the oscillation of a small crystal causes ejection of the ink from the orifice.
- the substrate is preferably paper, plastic, textile, metal or glass, more preferably paper, textile or a plastic film (especially a transparent film, for example an overhead projector slide). It is especially preferred that the substrate is paper (particularly coated paper, more particularly a lightweight coated offset type paper), textile or a transparent film.
- Preferred papers are plain or treated papers which may have an acid, alkaline or neutral character.
- Examples of commercially available treated papers include HP Premium Coated Paper (available from Hewlett Packard Inc), HP Photopaper (available from Hewlett Packard Inc), Stylus Pro 720 dpi Coated Paper, Epson Photo Quality Glossy Film (available from Seiko Epson Corp.), Epson Photo Quality Glossy Paper (available from Seiko Epson Corp.), Canon HR 101 High Resolution Paper (available from Canon), Canon GP 201 Glossy Paper (available from Canon), and Canon HG 101 High Gloss Film (available from Canon).
- Preferred plastic films are transparent polymeric films, especially those suitable for use as overhead projector slides, for example polyesters (especially polyethylene terephthalate), polycarbonates, polyimides, polystyrenes, polyether sulphones, cellulose diacetate and cellulose triacetate films.
- Preferred textile materials are natural, synthetic and semi-synthetic materials.
- Examples of preferred natural textile materials include wool, silk, hair and cellulosic materials, particularly cotton, jute, hemp, flax and linen.
- Examples of preferred synthetic and semi-synthetic materials include polyamides, polyesters, polyacrylonitriles and polyurethanes.
- the prints obtained using the process also exhibit low colour bleed, high print quality and, in some cases, higher light-fastness compared to prints prepared without the PMG. Furthermore, the application of the PMG does not markedly affect the shade or hue of the ink and does not result in the discoloration of the printed substrate.
- a substrate printed with an image by means of the process according to the first aspect of the invention.
- the preferred substrates are as hereinbefore defined in relation to the first aspect of the present invention.
- the image is colour image comprising at least two colours, more preferably a colour image derived from a digital camera or a scanner.
- the image may be derived from a file in the .jpg, .jpeg, .tif, .tiff, .pcx, .psp, .pdf, .ace, .fdf, .art, .bmp, .dcx, .fpx, .gif, .mic, .mix, .png, .xws, .pbm, .pgm, .ppm, .pnm, .tga, .xif or .xbm file format.
- a fixing composition comprising a poly(C 3 . 18 -hydrocarbyl monoguanidine), a liquid medium and optionally a binder, wherein the poly(C 3 . 18 -hydrocarbyl monoguanidine) is as defined in the first aspect of the invention.
- Preferred binders and liquid media are as hereinbefore described in relation to the first aspect of the present invention.
- the fixingcomposition must be suitable for use in an ink-jet printer. Thus this fixing composition is as described above as being suitable for application to the substrate by means of an ink-jet printer.
- the composition has a viscosity of less than 20 cP, more preferably less than 10 cP, especially less than 5 cP, at 25°C.
- These low viscosity fixing compositions are particularly well suited for application to substrates by means of ink-jet printers having demanding criteria for the liquids they apply.
- the fixing composition contains less than 500ppm, more preferably less than 250ppm, especially less than 100pm, more especially less than 10ppm in total of divalent and trivalent metal ions (other than any divalent and trivalent metal ions bound to a component of the fixing composition).
- the fixing composition has been filtered through a filter having a mean pore size below 10 ⁇ m, more preferably below 3 ⁇ m, especially below 2 ⁇ m, more especially below 1 ⁇ m.
- This filtration removes particulate matter that could otherwise block the fine nozzles found in many ink-jet printers.
- a particularly preferred fixing composition is one which comprises a poly(C 3 .
- a set of liquids suitable for use in an ink-jet printer comprising:
- a first liquid comprising: (i) 0.01 to 50 parts, more preferably 0.1 to 30 and especially from 0.1 to 10 parts of a poly(C 3 . 18 -hydrocarbyl monoguanidine) as defined in the first aspect of the invention; (ii) 50 to 99.8, more preferably 60 to 80 parts of a liquid medium selected from water, one or more water-soluble organic solvents and a mixture of water and one or more water-soluble organic solvents; and
- the ink in the set of liquids according to the fourth aspect of the present invention preferably comprises:
- a colorant preferably a water-soluble dye
- a colorant preferably a water-soluble dye
- a colorant preferably a water-soluble dye
- the preferred PMGs, colorants, water-soluble organic solvents and binders are as hereinbefore defined in the first aspect of the present invention.
- the set according to the fourth aspect of the present invention is preferably housed in an ink-jet printer, i.e. the invention also provides an ink-jet printer comprising a printing mechanism and a set of liquids wherein the set of liquids is as defined in the fifth aspect of the present invention.
- the set of liquids may be contained in one or more than one cartridge present in an ink-jet printer.
- the invention also provides an ink-jet printer cartridge comprising a plurality of chambers and a set of liquids, wherein the liquids are contained in individual chambers of the ink-jet printer cartridge and the set of liquids is as defined in the fifth aspect of the invention.
- the invention also provides an ink-jet printer cartridge comprising a plurality of chambers and a composition, wherein the composition is contained in a chamber of the ink-jet printer cartridge and the composition is as defined in the fourth aspect of the invention.
- the solution was cooled and the pH adjusted to 1.5 with concentrated HCI and adjusted to 25% solids with distilled water.
- the aqueous solution of the product separated from an oily top layer using a separating funnel.
- the resultant monoguanidine was of Formula (3) as hereinbefore defined wherein n had an average value of 5 as determined by 1 H NMR end group analysis.
- composition containing PMG 1 and a comparative example using PHMB (a biguanide) and a binder were prepared as shown in Table B wherein all parts are by weight:
- Polyhexamethylene biguanide hydrochloride used was a 20% solution in water from Avecia Ltd as Vantocil R TM IB.
- compositions shown in Table B were in separate experiments placed into one chamber and Ink A was put into another chamber of a trichamber Olivetti JP192 standard 3 colour thermal ink-jet printer.
- the ink and compositions were printed onto Spectratech Lustrolaser paper in the form of parallel bars with the compositions being applied immediately prior to Ink A.
- control experiments the compositions were omitted.
- the paper printed with the inks in the form of parallel bars was attached to a support at a 45° angle so that the parallel bars were in a horizontal direction.
- a pipette was then used to dispense 0.5ml of distilled water (pH 6-7) onto the print at a position slightly above the top of the parallel bars, taking care to ensure the run down of water over the print was as close as possible to a right angle to the printed bars.
- the extent of dye transfer from the printed to unprinted areas was expressed by measuring the reflected optical density of the stained area between lines 4 to 6 and taking the average value.
- C 6 is 1 ,6-hexamethylenediamine
- C 9 is 1 ,9-nonamethylenediamine
- C 12 is of 1,12-dodecamethylenediamine
- 1 :1 refers to a 1 :1 mixture by weight.
- compositions according to the invention may be obtained by preparing the known inks described in Table D, column 2 but omitting the colorant and any anionic surfactant and including the PMG's shown in Table C in the formulation.
- the PMG and amount used shown in brackets; parts by weight relative to 100 parts by weight of the composition is shown. Table D
- Example 1 stage 4
- the ink-jet printing method of Example 1 , stage 4 may be repeated except that in place of the composition used in Example 1 there is used the compositions of Examples 2 to 97 respectively.
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Textile Engineering (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Wood Science & Technology (AREA)
- Materials Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Ink Jet Recording Methods And Recording Media Thereof (AREA)
- Inks, Pencil-Leads, Or Crayons (AREA)
- Ink Jet (AREA)
- Paints Or Removers (AREA)
- Particle Formation And Scattering Control In Inkjet Printers (AREA)
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE60109055T DE60109055T2 (de) | 2000-12-07 | 2001-12-06 | Tintenstrahldruckverfahren |
EP01999483A EP1341674B1 (de) | 2000-12-07 | 2001-12-06 | Tintenstrahldruckverfahren |
US10/433,566 US6932466B2 (en) | 2000-12-07 | 2001-12-06 | Ink-jet printing process |
JP2002547732A JP3947467B2 (ja) | 2000-12-07 | 2001-12-06 | インクジェットプリントプロセス、当該プロセスに用いる組成物、当該プロセスに用いる液体セット、及び当該プロセスに用いるインクジェットプリンターカートリッジ |
AT01999483T ATE289548T1 (de) | 2000-12-07 | 2001-12-06 | Tintenstrahldruckverfahren |
AU2002222130A AU2002222130A1 (en) | 2000-12-07 | 2001-12-06 | Ink-jet printing process |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB0029821A GB0029821D0 (en) | 2000-12-07 | 2000-12-07 | Process |
GB0029821.6 | 2000-12-07 | ||
GB0101008A GB0101008D0 (en) | 2001-01-15 | 2001-01-15 | Process |
GB0101008.1 | 2001-01-15 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2002045971A1 true WO2002045971A1 (en) | 2002-06-13 |
Family
ID=26245393
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/GB2001/005393 WO2002045971A1 (en) | 2000-12-07 | 2001-12-06 | Ink-jet printing process |
PCT/GB2001/005381 WO2002045970A1 (en) | 2000-12-07 | 2001-12-06 | Guanidine-based coating compositions |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/GB2001/005381 WO2002045970A1 (en) | 2000-12-07 | 2001-12-06 | Guanidine-based coating compositions |
Country Status (8)
Country | Link |
---|---|
US (2) | US6932466B2 (de) |
EP (2) | EP1341673B1 (de) |
JP (2) | JP3947467B2 (de) |
AT (2) | ATE272502T1 (de) |
AU (2) | AU2002222130A1 (de) |
DE (2) | DE60109055T2 (de) |
TW (1) | TW588098B (de) |
WO (2) | WO2002045971A1 (de) |
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JP2004142460A (ja) * | 2002-10-23 | 2004-05-20 | Hewlett-Packard Development Co Lp | 陽イオンポリマー定着剤中の検出可能なマーカー |
WO2005080513A1 (en) * | 2004-02-17 | 2005-09-01 | Fujifilm Imaging Colorants Limited | Ink jet ink composition comprising glycerol |
US6998429B2 (en) | 2003-01-28 | 2006-02-14 | Hewlett-Packard Development Company, L.P. | Dissolving complexes of anionic dye/cationic polymeric fixer |
US7129284B2 (en) | 2002-12-03 | 2006-10-31 | Hewlett-Packard Development Company, L.P. | Fluorosurfactant packages for use in inkjet printing and methods of controlling puddling in inkjet pens |
US7235111B2 (en) * | 2003-07-10 | 2007-06-26 | Ciba Specialty Chemicals Corporation | Polycondensates as dyeing promoters for hydrophobic polymer articles |
US7314274B2 (en) * | 2002-04-02 | 2008-01-01 | Hewlett-Packard Development Company, L.P. | Compositions and processes |
JP2008105422A (ja) * | 2002-09-30 | 2008-05-08 | Hewlett-Packard Development Co Lp | 改善された画像耐久性をもたらすインクジェット印刷方法及びシステム |
US7393093B2 (en) * | 2001-09-13 | 2008-07-01 | Fujifilm Imaging Colorants Limited | Process for ink jet printing |
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EP1298173B1 (de) * | 2000-06-30 | 2009-03-18 | DIC Corporation | Wässrige harzzusammensetzung, tintenstrahlaufzeichnungsmaterial sowie verfahren zur tintenstrahlaufzeichnung |
ATE272502T1 (de) * | 2000-12-07 | 2004-08-15 | Avecia Ltd | Beschichtungszusammensetzungen auf guanidinbasis und aufzeichnungsmaterialien, die diese zusammensetzungen enthalten |
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US20070100022A1 (en) * | 2005-10-28 | 2007-05-03 | Ervin Mubarekyan | Low corrosivity inks and ink systems and methods of making low corrosivity inks |
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US9403944B2 (en) * | 2012-01-12 | 2016-08-02 | John L. Lombardi | Antipathogenic guanidinium copolymer |
US10150878B2 (en) | 2012-10-15 | 2018-12-11 | Sun Chemical Corporation | Pigment dispersions and printing inks with improved coloristic properties |
EP3099753B1 (de) | 2014-01-28 | 2017-10-11 | Hewlett-Packard Development Company, L.P. | Wärmetintenstrahltintensatz |
US9631052B2 (en) * | 2014-06-26 | 2017-04-25 | John L. Lombardi | Borate esters |
EP3757176B1 (de) * | 2019-06-27 | 2022-08-31 | Canon Production Printing Holding B.V. | Tintenstrahlbeschichtungszusammensetzung |
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US20220007648A1 (en) * | 2020-07-07 | 2022-01-13 | Xingchen Zhang | Biocidal Compound |
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Also Published As
Publication number | Publication date |
---|---|
EP1341674A1 (de) | 2003-09-10 |
DE60104718T2 (de) | 2006-04-27 |
DE60109055T2 (de) | 2006-04-13 |
US20040046848A1 (en) | 2004-03-11 |
ATE289548T1 (de) | 2005-03-15 |
TW588098B (en) | 2004-05-21 |
EP1341673A1 (de) | 2003-09-10 |
AU2002252799A1 (en) | 2002-06-18 |
US20040058202A1 (en) | 2004-03-25 |
DE60109055D1 (de) | 2005-03-31 |
JP2004522615A (ja) | 2004-07-29 |
EP1341674B1 (de) | 2005-02-23 |
US6932466B2 (en) | 2005-08-23 |
ATE272502T1 (de) | 2004-08-15 |
EP1341673B1 (de) | 2004-08-04 |
DE60104718D1 (de) | 2004-09-09 |
JP3947467B2 (ja) | 2007-07-18 |
WO2002045970A1 (en) | 2002-06-13 |
AU2002222130A1 (en) | 2002-06-18 |
JP2004515387A (ja) | 2004-05-27 |
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